@article {Morana:2004:1350-4851:837, title = "Frequency domain principal components estimation of fractionally cointegrated processes", journal = "Applied Economics Letters", parent_itemid = "infobike://routledg/rael", publishercode ="routledg", year = "2004", volume = "11", number = "13", publication date ="2004-10-20T00:00:00", pages = "837-842", itemtype = "ARTICLE", issn = "1350-4851", eissn = "1466-4291", url = "https://www.ingentaconnect.com/content/routledg/rael/2004/00000011/00000013/art00009", doi = "doi:10.1080/1350485042000261298", author = "Morana, Claudio", abstract = "This study introduces a new frequency domain principal components estimator of the cointegration space and the loading matrix for the common factors for fractionally cointegrated long memory processes. A Monte Carlo simulation exercise reveals that the proposed estimator has already good properties with relatively small sample sizes.", }